Annuals, 10-60+ cm. Leaf blades lance-elliptic or oblanceolate to lance-linear, 25-50+ × 3-12+ mm, lengths 3-4(-6+) times widths, margins ± dentate or entire. Peduncles 4-30+ mm. Outer phyllaries 5, connate 0-¹/6 their lengths, ovate to elliptic, 4-6+ mm. Ray florets 7-12; corollas yellow, laminae oblong-elliptic, 1.2-1.5+ × 0.7-1+ mm. Disc florets 8-10+. Fruits 3-3.5+ mm. 2n = 60. Flowering Aug-Oct. Sandy, gravelly, or loamy soils; 1200-1500 m; Ariz., N.Mex.; Mexico (Chihuahua, Sonora).

Plant: Annual forb to 20 cm Leaves: leaves opposite, linear-oblanceolate, 3-4 cm long, scabrous